| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 | 
                                    
                                    0%
                                 | 
| -8 | Refused | 7 | 
                                    
                                    0.1%
                                 | 
| -5 | Not Applicable | 0 | 
                                    
                                    0%
                                 | 
| -3 | Missing | 24 | 
                                    
                                    0.3%
                                 | 
| 1 | Yes | 145 | 
                                    
                                    2%
                                 | 
| 2 | No | 7119 | 
                                    
                                    97.6%
                                 |